After seeing his older brother ride off to war and never return, his father die of grief, and his brutal stepfather beat his mother to death, Abe Mimms finds his survival with a band of hard-riding out-laws. Now a murderer running from the war, Abe joins his cousins Frank and Jese James and begins a long, wild ride that will introduce him to the likes of Wild Bill Hickok and pit him against one of the most vicious killers on the frontier.